Changes Between Forms of Energy
The changes from one form of energy to another is called energy transformations.
Changes Between Kinetic and Potential Energy
The Law of Conservation of Energy
Energy can be transformed from one form into another or transferred from one region to another, but energy cannot be created or destroyed.
The total amount of energy in the universe does not change!
Friction and the Law of Conservation of Energy
Friction is a force that resists the sliding of two surfaces that are touching.
Using Energy
Using Thermal Energy
All forms of energy can be transformed into thermal energy.
Waste Energy
When energy changes form, some thermal energy is always released.
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